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Proceedings of Past Forest Nursery Association Meetings:

The IR-4 Program How It Can Benefit Nurseries
Frank, J. Ray
1999: Ames, IA
Pesticides, pesticide label

The Interregional Research Project 4 (IR-4) was initiated in 1963 to obtain national pesticide label registrations for use on food and fiber. This program has an emphasis on minor uses or specialty crops. In this arena in the United States today it includes 600 crops.
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